Her daughter, Marion Siwek, said she died of natural causes.
Johnson based the story on her novel about two schoolgirls who have a crush on a concert pianist, informed by her experiences at private school in New York. Peter Sellers played the pianist; the film also starred Angela Lansbury and Paula Prentiss. It also became a Broadway musical, “Henry, Sweet Henry.”
Her memoirs about her father and growing up in show business included “Flashback,” “You Can Go Home Again” and “Coast to Coast,” a memoir of her childhood shuttling between her journalist mother in New York and her Hollywood-based father. Nunnally Johnson was the writer and director of films including “The Three Faces of Eve” and “The Man in the Gray Flannel Suit” and screenwriter of “The Dirty Dozen.”
Her 1959 essay